Gumnotes is a great note taking tool that allows its users to stick notes easily to their documents. It does not only allows for note taking but for annotating web pages too. You can add notes to websites in Firefox, Internet-Explorer and all other website-browsers. You can also annotate your documents in Word, Excel, and images.

Gumnotes is completly free as lomng as it is kept just for personal use but there is also a commercial version that is paid for.

Gumnotes is a great tool for teachers. They can use it to annotate pages and documents, add notes and share it with their students. It is an effective learning method. Grasp everything that is interesting for your students and illustrate it the way you want before you share it.